What is azoospermia?


Azoospermia is the absence of sperm in the semen. It is seen in 1% of men in the whole society. It constitutes approximately 10-15% of male infertility causes. In 5% of couples who apply with the complaint of infertility, the male has azoospermia.

Azoospermia should not be confused with aspermia. There is no semen in aspermia. Sperm cannot normally be seen with the naked eye. However, it can be seen on microscopic examination. In azoospermia, semen comes normally, but there is no sperm in it that cannot be seen with the naked eye.

There are 3 types of azoospermia.


It constitutes 2% of azoospermias. Due to the problems in the walnut-sized gland (pituitary) in the brain, there is no sperm production in the testis (male ovary). It may develop due to congenital or acquired problems. Taking drugs containing testosterone externally occurs in conditions such as hyperprolactinemia, hypopituarism, Kallmann syndrome, Prader-Willi syndrome. FSH is low in the blood. There is no sperm production.

-testicularazoospermia (non-occlusive azoospermia)

In this type of azoospermia, the problem is in the ovaries. The ovaries may be absent, smaller than normal, or of normal size. It is the most common type of azoospermia. 49-93% of azoospermias are this type. The blood FSH level is increased. There is no sperm production.

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